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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:130AE1of2 GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 1√2, 2, 2√2, 3√2, 6, 6√2, 10, 11√2, 22, 21√2, 22√2, 43, 44, 54, 65, 76, 54√2, 65√2.

Code: 765 0 54 654 65 65 653 130 65 114 76 54 210 87 65 431 130 65 547 0 54 540 54 54 64 60 48 63 66 48 107 66 54 34 63 45 26 64 46 16 63 45 25 64 44 441 108 44 222 130 22 223 130 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

76
65√2
65
11√2
21√2
43
54
54√2
6√2
6
10
3√2
2√2
1√2
2
44
22√2
22